anyone know when the 7000s series are coming out?

reference cards should be out Q1/Q2 2012

Try Q4 2011.

From the AMD Fusion Developers Summit speaking with Eric Demers (AMD's chief technology officer) about AMD's new GPU architecture.
http://forum.beyond3d.com/showpost.php?p=1561107&postcount=300

Quote

We were told directly by Eric Demers that the first products using this technology will be released in Q4 of this year...